refactor/listener (#43)

Author: aatalyk

actions.js

@@ -0,0 +1,68 @@
+import { 
+    NativeModules,
+    NativeEventEmitter,
+} from 'react-native';
+
+const _RNCallKit = NativeModules.RNCallKit;
+const _RNCallKitEmitter = new NativeEventEmitter(_RNCallKit);
+
+const RNCallKitDidReceiveStartCallAction = 'RNCallKitDidReceiveStartCallAction';
+const RNCallKitPerformAnswerCallAction = 'RNCallKitPerformAnswerCallAction';
+const RNCallKitPerformEndCallAction = 'RNCallKitPerformEndCallAction';
+const RNCallKitDidActivateAudioSession = 'RNCallKitDidActivateAudioSession';
+const RNCallKitDidDisplayIncomingCall = 'RNCallKitDidDisplayIncomingCall';
+const RNCallKitDidPerformSetMutedCallAction = 'RNCallKitDidPerformSetMutedCallAction';
+
+didReceiveStartCallAction = handler => {
+    const listener = _RNCallKitEmitter.addListener(
+        RNCallKitDidReceiveStartCallAction,
+        (data) => { handler(data);}
+    );
+    _RNCallKit._startCallActionEventListenerAdded();
+    return listener;
+}
+
+answerCall = handler => (
+    _RNCallKitEmitter.addListener(
+        RNCallKitPerformAnswerCallAction,
+        (data) => { handler(data);}
+    )
+)
+
+endCall = handler => (
+    _RNCallKitEmitter.addListener(
+        RNCallKitPerformEndCallAction,
+        (data) => { handler(data); }
+    )
+)
+
+didActivateAudioSession = handler => (
+    _RNCallKitEmitter.addListener(
+        RNCallKitDidActivateAudioSession,
+        () => { handler(); }
+    )
+)
+
+didDisplayIncomingCall = handler => (
+    _RNCallKitEmitter.addListener(
+        RNCallKitDidDisplayIncomingCall,
+        (data) => { handler(data.error); }
+    )
+)
+
+didPerformSetMutedCallAction = handler => (
+    _RNCallKitEmitter.addListener(
+        RNCallKitDidPerformSetMutedCallAction,
+        (data) => { handler(data.muted); }
+    )
+)
+
+export const listeners = { 
+    didReceiveStartCallAction,
+    answerCall,
+    endCall,
+    didActivateAudioSession,
+    didDisplayIncomingCall,
+    didPerformSetMutedCallAction,
+};
+

index.js

@@ -2,59 +2,20 @@
 
 import {
     NativeModules,
-    NativeEventEmitter,
     Platform,
 } from 'react-native';
 
+import { listeners } from './actions'
+
 const _RNCallKit = NativeModules.RNCallKit;
-const _RNCallKitEmitter = new NativeEventEmitter(_RNCallKit);
 
 const _callkitEventHandlers = new Map();
 
-const RNCallKitDidReceiveStartCallAction = 'RNCallKitDidReceiveStartCallAction';
-const RNCallKitPerformAnswerCallAction = 'RNCallKitPerformAnswerCallAction';
-const RNCallKitPerformEndCallAction = 'RNCallKitPerformEndCallAction';
-const RNCallKitDidActivateAudioSession = 'RNCallKitDidActivateAudioSession';
-const RNCallKitDidDisplayIncomingCall = 'RNCallKitDidDisplayIncomingCall';
-const RNCallKitDidPerformSetMutedCallAction = 'RNCallKitDidPerformSetMutedCallAction';
-
 export default class RNCallKit {
+
     static addEventListener(type, handler) {
         if (Platform.OS !== 'ios') return;
-        var listener;
-        if (type === 'didReceiveStartCallAction') {
-            listener = _RNCallKitEmitter.addListener(
-                RNCallKitDidReceiveStartCallAction,
-                (data) => { handler(data);}
-            );
-            _RNCallKit._startCallActionEventListenerAdded();
-        } else if (type === 'answerCall') {
-            listener = _RNCallKitEmitter.addListener(
-                RNCallKitPerformAnswerCallAction,
-                (data) => { handler(data);}
-            );
-        } else if (type === 'endCall') {
-            listener = _RNCallKitEmitter.addListener(
-                RNCallKitPerformEndCallAction,
-                (data) => { handler(data); }
-            );
-        } else if (type === 'didActivateAudioSession') {
-            listener = _RNCallKitEmitter.addListener(
-                RNCallKitDidActivateAudioSession,
-                () => { handler(); }
-            );
-        } else if (type === 'didDisplayIncomingCall') {
-            listener = _RNCallKitEmitter.addListener(
-                RNCallKitDidDisplayIncomingCall,
-                (data) => { handler(data.error); }
-            );
-        } else if (type === 'didPerformSetMutedCallAction') {
-          listener = _RNCallKitEmitter.addListener(
-            RNCallKitDidPerformSetMutedCallAction,
-            (data) => { handler(data.muted); }
-          );
-        }
-
+        const listener = listeners[type](handler)
         _callkitEventHandlers.set(handler, listener);
     }